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CYS to SXI: distance & flight time
Cheyenne (Cheyenne Regional Jerry Olson Field) → Siri Island (Sirri Island Airport)
7,618 mi
12,260 km · 6,620 nm
15h 24m
estimated nonstop flight time
+9.5h
time difference · heading north
See live CYS→SXI fares Phone-only fares on this route — call free
Flight time details
7,618 miles nonstop takes roughly 15h 24m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, United States
- SXI — Sirri Island Airport · Siri Island, Iran
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Near SXI
- DXB · Dubai International Airport69 mi away
- AEU · Abu Musa Island Airport31 mi away
- BDH · Bandar Lengeh Airport47 mi away
- KIH · Kish International Airport55 mi away
Frequently asked questions
How far is CYS from SXI?
The flight distance from Cheyenne (CYS) to Siri Island (SXI) is 7,618 miles (12,260 km, 6,620 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CYS to SXI?
A nonstop flight takes about 15h 24m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Cheyenne and Siri Island?
Siri Island is 9.5 hours ahead of Cheyenne.
What is the cheapest way to fly from CYS to SXI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CYS–SXI that never appear on search engines, with no booking fees.